* Client-Side Metrics Include
* Wiki: https://tiny.amazon.com/cpso0wg6
* Needs to be included at the top of pages because it tracks latency--
* ue_t0 needs to be as close to body load as possible.
* - ue.tag maps to URLType dimension of OnlineQueryLog in PMET. Because we cannot add
* custome data to other dimensions in PMET through CSM, we are replicating it thrice to
* cover each store, page type, and the intersections of the two.
* - Whitelists are listed in the usage guide:
"The Rabbit Hole" part 3! Unable to control the Unternet, Red Robin is determined to destroy the villains' communications grid. Red Robin will have to decide between severing Earth's connection to the Unternet before it kills the Mad Men--or leaving them in the throes of insanity forever!